what happened to my poor bearing??
#1
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what happened to my poor bearing??
This is interesting, I rebuilt my turbo about 10k miles ago, and when I went to re do the exhaust today, I found the turbo had mega shaft play! I was lucky I checked it. It was seriously very close to killing itself. interesting thing is its just the turbine side bearing, the compressor side bearing looks fine (its in the pic).
Question is is this because of over heating or lack of oil for only that one bearing? Any ideas? Can I check the oil passageways?
Also, is the shaft still usable? Its discolored, but not bent from what I can tell.
Finally, when I put it back together awhile back, and I dident pay enough attention to how everything lined up for balance. Could a mis balanced shaft cause only one bearing to fail?
Thanks
Question is is this because of over heating or lack of oil for only that one bearing? Any ideas? Can I check the oil passageways?
Also, is the shaft still usable? Its discolored, but not bent from what I can tell.
Finally, when I put it back together awhile back, and I dident pay enough attention to how everything lined up for balance. Could a mis balanced shaft cause only one bearing to fail?
Thanks
#2
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[QUOTE=cardriverx;412601]
Finally, when I put it back together awhile back, and I dident pay enough attention to how everything lined up for balance. Could a mis balanced shaft cause only one bearing to fail?
QUOTE]
Im not 100% sure but i think so. I know some people have ran forever without having the shaft rebalanced but others have had bearing failures.
Finally, when I put it back together awhile back, and I dident pay enough attention to how everything lined up for balance. Could a mis balanced shaft cause only one bearing to fail?
QUOTE]
Im not 100% sure but i think so. I know some people have ran forever without having the shaft rebalanced but others have had bearing failures.
#3
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[QUOTE=sbkcocker499;412605]
Finally, when I put it back together awhile back, and I dident pay enough attention to how everything lined up for balance. Could a mis balanced shaft cause only one bearing to fail?
QUOTE]
Im not 100% sure but i think so. I know some people have ran forever without having the shaft rebalanced but others have had bearing failures.
The thing is I would think that would cause both bearings to fail like that, I dunno.
Finally, when I put it back together awhile back, and I dident pay enough attention to how everything lined up for balance. Could a mis balanced shaft cause only one bearing to fail?
QUOTE]
Im not 100% sure but i think so. I know some people have ran forever without having the shaft rebalanced but others have had bearing failures.
#4
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Depends on where the imbalance was. Get something spinning >100,000 rpm and even something so tiny can cause a lot of excess heat from all of the extra pressure. I would say that is possibly your issue. Can't think of any other reason only one side would overheat like that.
I would think the shaft may be OK, but its not like you would be able to tell yourself with your own tools (unless you rebuild turbo's).
I would think the shaft may be OK, but its not like you would be able to tell yourself with your own tools (unless you rebuild turbo's).
#9
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this is what your passages look like:
http://www.allpar.com/images/cars/fe...cuda/turbo.jpg
soaking it in a detergent or sea foam probably wouldn't hurt.
http://www.allpar.com/images/cars/fe...cuda/turbo.jpg
soaking it in a detergent or sea foam probably wouldn't hurt.
#11
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Well the turbine side bearing is getting oil, maybe alittle less than the other, but i dunno. Could i put the whole center section in a simple green bath just to make sure?
#15
Turbine shaft: hit with brake cleaner, probably won't clean it completely. I think they typically "sand" blast it (dunno what media they use, glass maybe)
Center housing and turbine heat shield: remove everything, soak in brake cleaner, dry and coat w/ oil (it'll rust)
Compressor wheel: Don't hit w/ brake cleaner
Bearings: Replace w/ new
Center housing and turbine heat shield: remove everything, soak in brake cleaner, dry and coat w/ oil (it'll rust)
Compressor wheel: Don't hit w/ brake cleaner
Bearings: Replace w/ new
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